function submit() {
    let data1 = {
        name:$("#name").val(),
        email:$("#email").val(),
        content:$("#content").val(),
    };
    let data = myAjax('/back/message/addMessage',data1,'post');
    if (data.result==1){
        alert("添加成功");
    }else {
        alert("添加失败");
    };
}